Joshua 20:8,9

On the other side Jordan they assigned Or had assigned, or given; for these cities were assigned by Moses before he died, Deuteronomy 4:41. They were not, however, properly speaking, invested with the privilege till now, when they were applied to the use for which Moses had designed them. The stranger Not only proselytes, but others also; because this was a matter of common right, that a distinction should be made between casual man-slayers and wilful murderers.